@book{Lyons, author = {Lyons, J.}, title = {Chomsky, London (Fontana) 1971.}, language = {en} } @book{Lyons, author = {Lyons, J.}, title = {Noam Chomsky, M{\"u}nchen (Deutscher Taschenbuch Verlag, TB 770) 1973, 160 p.}, language = {de} }